Lantern



FIG. 1 is a front plan view of an embodiment of a lantern showing my new design;

FIG. 2 is a rear plan view thereof;

FIG. 3 is a left side plan view thereof;

FIG. 4 is a right side plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is bottom plan view thereof; and,

FIG. 7 is a figure similar to that shown in FIG. 4 in an alternative position. 

The ornamental design for a lantern, as shown and described. 